Hi,
> Could we just parse the static device tree into a local data structure
> though?
Sure.
> Something like:
>
> struct hlist_head DSDTTree;
>
> struct dsdt_entry {
> struct hlist_node node;
> char *name; // eg, "_SB.PCI0.ISA.COM1._HID"
> int type; // eg: Device, Name, Integer, String, ResourceTemplate, other
> void *value; // points to integer, string, resource template, or NULL
> };
>
> Once the tree is parsed, it should be simple to walk the in-memory
> linked-list to find desired values later.
I was thinking more about storing a list of devices with parsed data,
i.e. basically put into a linked list what the current code collects
in the parse_dev struct.
Then we can easily lookup the virtio-mmio devices later. Maybe also
check for isa devices (don't bother waiting for ps2 probe timeout if
acpi says there isn't a keyboard ...). I don't see any other use
cases.
> FWIW, it should not be difficult to detect the simple case above and
> treat it as simple integer locally. As before, it does raise the
> question of how far one would want to go down that path though.
I don't want handle methods.
cheers,
Gerd
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